CN215601671U

CN215601671U - Electric control box and electric appliance

Info

Publication number: CN215601671U
Application number: CN202122373095.XU
Authority: CN
Inventors: 代斌
Original assignee: GD Midea Air Conditioning Equipment Co Ltd; Midea Group Wuhan HVAC Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd; Midea Group Wuhan HVAC Equipment Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-21
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses an electric control box and an electric appliance, wherein the electric control box comprises a box cover and a box body, an opening is formed in the box body, an installation surface for installing the box cover is arranged on the opening, a water guide groove is formed between the installation surface and the outer side of the opening, the horizontal height of the bottom of the water guide groove is lower than that of the installation surface, a drainage structure communicated with the water guide groove and the outer part of the box body is arranged on the box body, rainwater or dust falling to the position near the joint of the box cover and the box body can be deposited in the water guide groove due to the fact that the horizontal height of the bottom of the water guide groove is lower than that of the installation surface, meanwhile, the water or dust deposited in the water guide groove can be discharged from the drainage structure, the phenomenon that the rainwater or the dust enters the inner cavity of the electric control box from the joint of the box cover and the box body is reduced, and the electric control box has good dustproof and waterproof effects.

Description

Electric control box and electric appliance

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to an electric control box and an electrical appliance.

Background

The electric control box is usually an electric element for configuring a control device, has a certain protection effect, and is commonly used in electric equipment such as an air conditioner outdoor unit, an air energy water heater outdoor unit and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the electric control box which has better dustproof and waterproof effects.

The utility model also provides an electric appliance, and the electric control box of the electric appliance has better dustproof and waterproof effects.

According to the first aspect of the utility model, the electric control box comprises a box cover and a box body, wherein an opening is formed in the box body, an installation surface is arranged on the periphery of the opening, the periphery of the box cover is connected with the installation surface in a sealing mode, a water guide groove is arranged on one side far away from the installation surface of the opening, the horizontal height of the bottom of the water guide groove is lower than that of the installation surface, and a drainage structure is arranged on the box body and used for draining water in the water guide groove out of the box body.

The electric control box provided by the embodiment of the utility model at least has the following beneficial effects: because the horizontal height of the bottom of the water chute is lower than the mounting surface, rainwater or dust falling into the position near the joint of the box cover and the box body can be deposited into the water chute, and meanwhile, the water or dust deposited in the water chute can be discharged from the drainage structure, so that the occurrence of the condition that rainwater or dust enters the inner cavity of the electric control box from the joint of the box cover and the box body is reduced, and the dustproof and waterproof effects are better.

According to some embodiments of the utility model, the drainage structure is at least one drainage opening provided in a side wall of the gutter.

According to some embodiments of the utility model, the side wall of the water chute away from the installation surface is provided with a water retaining wall, and the water retaining wall is higher than the installation surface in horizontal height.

According to some embodiments of the utility model, the box body is a metal piece, the box cover is a PCB board, and the PCB board is provided with the shielding net.

According to some embodiments of the utility model, the upper end face of the PCB board is provided with an antenna mounting location.

According to some embodiments of the utility model, a mounting groove is provided in the box body, and a mounting position corresponding to the PCBA board is provided at the opening of the mounting groove.

According to some embodiments of the utility model, the bottom of the mounting groove is provided with a heat conducting member for contacting elements of the PCBA board.

According to some embodiments of the utility model, a heat sink is provided on the case.

According to some embodiments of the utility model, the box body is provided with a threading hole, and a sealing sleeve is arranged at the threading hole.

According to some embodiments of the utility model, the sealing sleeve is a hollow structure and is provided with at least one pressure relief hole.

According to some embodiments of the present invention, an edge of the cover protrudes above the water guide duct.

An appliance according to an embodiment of the second aspect of the utility model comprises: such as the electrical control box of the embodiment of the first aspect.

The electric appliance provided by the embodiment of the utility model at least has the following beneficial effects: the water guide groove is formed in the outer side of the mounting surface on the box body, so that rainwater or dust falling into the position near the joint of the box cover and the box body can be deposited into the water guide groove, meanwhile, the deposited water or dust in the water guide groove can be discharged from the drainage structure, the condition that the rainwater or dust enters the inner cavity of the electric control box from the joint of the box cover and the box body is reduced, and the dustproof and waterproof effects are better.

Drawings

The utility model is further described with reference to the following figures and examples, in which:

fig. 1 is a schematic structural diagram of an electric control box according to an embodiment of the present invention;

FIG. 2 is an exploded view of the electrical control box according to the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an electrical control pod according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

FIG. 5 is an enlarged partial view of portion B of FIG. 3;

fig. 6 is a schematic view of the internal layout of the electronic control box according to the embodiment of the present invention;

figure 7 is a schematic cross-sectional view of a sealing boot according to an embodiment of the utility model.

Reference numerals:

a box cover 100;

the water-cooling type solar water heater comprises a box body 200, a mounting surface 201, a water guide groove 202, a water discharge opening 203, a water retaining wall 204, a threading hole 205, a mounting groove 210, a mounting position 211, a heat-conducting silica gel sheet 212, a boss 213, a heat radiating fin 220, a sealing sleeve 230, a pressure relief hole 231, a mounting part 240 and a mounting hole 241;

compressor electric capacity 910, compressor electric capacity fixed knot 911, transformer 920, fan electric capacity 930, PCBA board 940, bayonet joint 950.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 7, an electric control box and an air energy water heater external unit, wherein, as shown in fig. 1, the electric control box comprises a box cover 100 and a box body 200, and the box cover 100 is covered on the box body 200 to form an inner cavity for mounting an electric module.

As shown in fig. 3 and 5, according to the electric control box of the embodiment of the first aspect of the present invention, an opening is provided on the box body 200, an installation surface 201 is provided on the periphery of the opening, the periphery of the box cover is hermetically connected with the installation surface 201, a water chute 202 is provided on the side away from the installation surface 201 of the opening, the horizontal height of the bottom of the water chute 202 is lower than the installation surface 201, the box body 200 is provided with a drainage structure, the drainage structure is used for draining water in the water chute to the outside of the box body, since the bottom of the water chute 202 has a lower level than the installation surface 201, rainwater or dust falling to the vicinity of the junction of the box cover 100 and the box body 200 can be deposited into the water chute 202, meanwhile, water or dust deposited in the water chute 202 can be discharged from the drainage structure, so that the phenomenon that rainwater or dust enters the inner cavity of the electric control box from the joint of the box cover 100 and the box body 200 is reduced, and the dustproof and waterproof effects are better.

Specifically, when the electric control box is installed on an electric appliance such as an air energy water heater external unit, an air conditioner external unit and the like, the inner cavity of the box body 200 is opened upwards to form an opening to facilitate the installation of an electric module, the box cover 100 is covered on the opening to seal the box body 200, the electric element of the box body 200 can be protected, and certain dustproof and waterproof effects are achieved, the box cover 100 can be installed in a mode of screws, buckles and the like, an installation surface 201 matched with the box cover 100 is arranged on the end surface of the opening, when the box cover 100 is installed on the box body 200, the lower end surface of the box cover 100 can be installed tightly attached to the installation surface 201, the water guide groove 202 is located at the outer side position of the installation surface 201 and lower than the installation surface 201, so that rainwater or dust falling to the vicinity of the connection position of the box cover 100 and the box body 200 can fall into the water guide groove 202, and the occurrence of the situation that water or dust enters the inner cavity of the electric control box from the connection position of the box cover 100 and the box body 200 is reduced, meanwhile, the adhered dust can be washed to the water chute 202 by rainwater, and the rainwater or the dust entering the water chute 202 can be discharged outside through the drainage structure, so that the water deposited by the water chute 202 can be prevented from overflowing the joint of the box cover 100 and the box body 200, and the waterproof and dustproof effects are improved.

It is conceivable that, as shown in fig. 2 and 6, a compressor capacitor 910, a transformer 920, a fan capacitor 930, and a PCBA Board 940(Printed Circuit Board Assembly) are mounted in the case 200, wherein the compressor capacitor 910 is mounted in the case 200 by a compressor capacitor fixing buckle 911, and the transformer 920, the fan capacitor 930, and the PCBA Board 940 are mounted by screws.

Of course, in the specific implementation process, other electrical modules, such as a protection module, a remote control module, etc., may be installed in the box body 200 according to specific requirements, and other installation manners, such as a snap-fit installation, etc., may be adopted.

As shown in fig. 5, it is conceivable that the edge of the box cover 100 protrudes above the water chute 202, so as to shield the joint between the box cover 100 and the box body 200 from top to bottom, thereby reducing the occurrence of rainwater or dust entering the inner cavity of the electric control box from the joint, and further improving the waterproof and dustproof performance.

Specifically, as shown in fig. 5, the edge of the box cover 100 protrudes above the water chute 202, that is, the edge of the box cover 100 crosses the mounting surface 201 and partially shields the water chute 202, and meanwhile, the junction between the box cover 100 and the box body 200 can be shielded, so that the occurrence of the situation that rainwater or dust falls into the junction from above or obliquely above is reduced, and better waterproof and dustproof performances can be achieved.

Certainly, in the specific implementation process, the edge of the box cover 100 may also be directly flush with the outer side of the mounting surface 201 or the edge of the box cover 100 may be matched with part of the mounting surface 201, and better waterproof and dustproof performance may also be achieved by providing the water chute 202.

As shown in fig. 2, 4, and 6, the drainage structure is at least one drain opening 203 provided in the side wall of the water chute 202, and the liquid in the water chute 202 can be drained through the drain opening 203, thereby reducing the accumulation of the water in the water chute 202.

Specifically, a plurality of water discharge openings 203 are formed, the side walls of the water chute 202 are connected to the side surface of the box body 200, and the horizontal height of the joint of the water discharge openings 203 and the side walls of the water chute 202 is lower than that of the mounting surface 201, so that the liquid level of the water chute 202 is lower than that of the joint of the box cover 100 and the box body 200, the occurrence of the situation that water in the water chute 202 enters the inner cavity of the electric control box through the joint is reduced, and the waterproof performance is improved.

It will be appreciated that in practice, the drainage structure may be implemented in other ways, such as providing drainage holes through the bottom of the gutter 202 directly from top to bottom through the side panels of the box 200, and draining water from the bottom of the box 200.

As shown in fig. 2, 3, 4 and 5, it is conceivable that a water blocking wall 204 is disposed on a side wall of the water chute 202 away from the installation surface 201, the water blocking wall 204 is higher than the installation surface 201 in horizontal height, and the water blocking wall 204 can block a part of rainwater from entering a joint between the box cover 100 and the box body 200 in an inclined manner, thereby further improving waterproof performance.

Specifically, as shown in fig. 4 and 5, a water blocking wall 204 is formed between the outer side wall of the water chute 202 and the outer side of the box body 200, that is, the water blocking wall 204 is located at the outer side of the water chute 202, the mounting surface 201, the water chute 202, and the water blocking wall 204 are sequentially arranged from inside to outside, and the horizontal height of the water blocking wall 204 is higher than the horizontal height of the mounting surface 201, so that rainwater can be reduced from entering the junction between the box cover 100 and the box body 200 and the water chute 202 from the side direction, and the waterproof performance can be further improved.

It is conceivable that the water blocking wall 204 has a horizontal height higher than or equal to the height of the upper end surface of the box cover 100 when the box cover 100 is mounted on the box body 200 as shown in fig. 5, and thus a good waterproof effect can be obtained.

It can be thought that the box body 200 is a metal piece, the box cover 100 is a PCB board, a shielding net is arranged on the PCB board, when the box cover 100 is installed on the box body 200, the electric control box can form a cage structure, a better electromagnetic shielding effect can be achieved, and the box cover is arranged through the PCB board, so that the installation of some electric elements is facilitated, and the use is convenient.

Specifically, the PCB is printed with a shielding mesh (metal mesh, such as copper mesh, etc.), or a multi-layer PCB is printed with a built-in shielding mesh (metal mesh, such as copper mesh, etc.), so as to form an electromagnetic shielding mesh at the box cover, the box body 200 is a metal part made of aluminum, iron, copper, etc., and forms a mesh-cage type electromagnetic shielding structure with the shielding mesh on the PCB, thereby reducing interference of external electromagnetic signals to internal components of the electronic control box.

Of course, in the implementation process, the box cover 100 may also be a metal plate, and the electromagnetic shielding effect may also be achieved.

It is conceivable that the upper end face of the PCB is provided with an antenna mounting location, which facilitates the mounting of an antenna, and controls the electrical part in the electrical control box in cooperation with a corresponding remote control or other remote control device.

Specifically, because the PCB is adopted as the box cover 100, a large antenna installation position can be reserved on the upper end face of the PCB, the antenna with the plate-shaped structure can be conveniently installed, a good wireless transceiving effect can be achieved, the antenna installation position does not need to be additionally configured, and the use is convenient.

Certainly, in the specific implementation process, the PCB may further be provided with a mounting location for mounting other electrical components that need to be externally mounted, such as a mounting location for mounting an indicator light.

As shown in fig. 2 and 3, it is conceivable that the mounting groove 210 is provided in the case 200, the mounting position 211 corresponding to the PCBA board is provided at the opening of the mounting groove 210, and when the assembly is performed, the PCBA board 940 is fitted over the opening of the mounting groove 210, and a secondary electromagnetic shielding region can be formed between the mounting groove 210 and the PCBA board 940, and the component to be shielded can be provided on the lower end surface of the PCBA board 940, so that the electromagnetic interference of the component in the case 200 with the component on the lower end surface of the PCBA board 940 can be reduced.

Specifically, PCBA board 940 has the copper mesh that is used for connecting element during the preparation, installation position 211 becomes step-like structure, with PCBA board 940 edge fit, and through the fix with screw, PCBA board 940 can form the cage shielding net that is located box body 200 with mounting groove 210 cooperation, the component that needs the shielding can set up the lower terminal surface at PCBA board 940, shield through mounting groove 210, also can produce electromagnetic interference because the electronic component in the box body 200 during operation, through above-mentioned structure, can shield the component of PCBA board 940's lower terminal surface, reduce electromagnetic interference to its normal work's influence.

Of course, in the implementation process, the PCBA plate 940 may also be installed at other positions of the box body 200, for example, without the installation groove 210, the PCBA plate may be installed to cling to the inner wall of the box body 200.

As shown in FIG. 3, it is contemplated that the bottom of the mounting slot 210 is provided with a heat conducting member for contacting components of the PCBA board to conduct heat from the heat generating components on the PCBA board 940 to the enclosure 200 to reduce the temperature of the heat generating components on the PCBA board 940.

It is contemplated that the heat conductive member includes a raised portion 213 disposed at the bottom of the mounting groove 210, as shown in fig. 3, the height and location of the raised portion 213 corresponding to the location of the heat generating components on the PCBA board 940 to mate with and contact the heat generating components on the PCBA board 940 for heat conductive effect.

Specifically, the protruding portion 213 and the box body 200 are of an integral structure, and are integrally formed by a metal material such as aluminum, so that a good heat conduction effect can be achieved, and of course, in a specific implementation process, the protruding portion 213 may also be fixed on the box body 200 by bonding, welding, and the like.

It is conceivable that, as shown in fig. 3, the heat-conducting member includes the heat-conducting silicone sheet 212 provided at the upper end of the boss portion 213, and after the PCBA board 940 is mounted, the heat-conducting silicone sheet 212 is located between the PCBA board 940 and the boss portion 213, so that the efficiency of heat conduction can be improved.

Specifically, the two sides of the heat-conducting silica gel sheet 212 are both provided with glue layers or coated with heat-conducting silica gel, so as to achieve a better heat-conducting effect.

As shown in fig. 1 and 2, the box body 200 is provided with a heat sink 220, which can improve the heat dissipation effect of the electronic control box.

Specifically, the outer side of the box body 200 is provided with a concave position for arranging the heat radiating fins 220, the heat radiating fins 220 are provided with a plurality of fins, the heat radiating fins 220 and the box body 200 are integrally arranged and can be integrally formed by aluminum materials, the production process is simple, and a good heat radiating effect can be achieved; during operation, the radiating fins 220 enhance the heat dissipation through a larger contact surface with air, and the air flow generated when the wind wheel of the air energy water heater outer unit and the like rotates can effectively help the heat dissipation.

As shown in fig. 1 and 2, a threading hole 205 is formed in the box body 200, a sealing sleeve 230 is disposed at the threading hole 205, and the sealing sleeve 230 can seal a gap between wires at the threading hole 205, so as to achieve waterproof and dustproof effects.

Specifically, seal cover 230 is the loop configuration, adopts the flexible glue to make like rubber, silica gel etc. wherein, the outer loop sets up the annular groove along the matching with the hole of threading hole 205, improves the stability of seal cover 230 installation, is difficult for droing, and the hole of seal cover 230 is used for the threading, with the laminating of wire rod, forms seal structure.

Certainly, in the specific implementation process, waterproof joints and the like can be arranged at the threading holes 205, and a good sealing effect can be achieved.

As shown in fig. 7, the sealing sleeve 230 is a hollow structure and is provided with at least one pressure relief hole 231, the position of the threading hole 205 can be sealed by the sealing sleeve 230, so that waterproof and dustproof effects are achieved, and the difference between the internal pressure and the external pressure of the sealing sleeve 230 is controlled by the pressure relief hole 231, so that the sealing sleeve 230 can be well attached to the threading hole 205 and a wire, and has a good sealing effect.

Specifically, the sealing boot 230 adopts hollow structure to set up pressure release hole 231, thereby pressure release hole 231 is died by stifled when sealing boot 230 is extruded to the certain degree and can not continue the pressure release, thereby make inside and outside formation pressure differential reach better sealed effect of hugging closely, and can make the gum cover 230 can not excessively be extruded, extension sealing boot 230's life.

Certainly, in the specific implementation process, a sealing sleeve with a solid structure can be arranged at the threading hole 205, and a better sealing effect can be achieved.

It is conceivable that, as shown in fig. 1 and 2, the box body 200 is provided with a plug 950, the box body 200 is provided with a hole site corresponding to the plug 950, and the plug 950 can connect the inner member and the outer member and has a certain sealing effect.

Specifically, the plug 950 is soldered to the PCBA board 940, but the plug 950 may be separately mounted on the box 200 and connected to the corresponding electronic component through a conductor such as a wire during the implementation.

Referring to fig. 1 and 2, the box body 200 has three openings, the upper opening is sealed by the box cover 100, and a better protection effect is achieved by the waterproof and dustproof structure, and the two openings on the side surface are respectively provided with the sealing sleeve 230 and the plug 950, so that a closed space can be formed in the electric control box, and a better dustproof and waterproof effect, i.e. an electromagnetic interference resistance effect, is achieved.

As shown in fig. 2 and 6, a plurality of mounting portions 240 are provided on the box body 200, and mounting holes 241 are provided on the mounting portions 240, so that the electronic control box can be conveniently mounted on an external unit of the air energy water heater by screws.

Specifically, the mounting portion 240 may be integrally formed when the cartridge 200 is molded, which may provide a simple process and a high structural strength.

Of course, in the specific implementation process, the electronic control box can also be installed through a buckling mechanism and the like.

According to the electric appliance of the embodiment of the second aspect of the utility model, the electric appliance comprises the electric control box of any one of the embodiments of the first aspect of the utility model, the water chute 202 is arranged on the outer side of the mounting surface 201 on the box body 200, so that rainwater or dust falling to the vicinity of the joint of the box cover 100 and the box body 200 can be deposited in the water chute 202, meanwhile, water or dust deposited in the water chute 202 can be discharged from the drainage structure, the occurrence of the condition that rainwater or dust enters the inner cavity of the electric control box from the joint of the box cover 100 and the box body 200 is reduced, and the electric control box has good dustproof and waterproof effects.

Specifically, the electric appliance can be an air conditioner outdoor unit, an air energy water heater outdoor unit and the like.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. Automatically controlled box, its characterized in that includes:

a box cover;

the box body is provided with an opening, the periphery of the opening is provided with an installation surface, the periphery of the box cover is in sealing connection with the installation surface, one side, far away from the opening, of the installation surface is provided with a water guide groove, the horizontal height of the bottom of the water guide groove is lower than that of the installation surface, the box body is provided with a drainage structure, and the drainage structure is used for draining water in the water guide groove out of the box body.

2. The electrical control box according to claim 1, wherein: the drainage structure is at least one drainage opening arranged on the side wall of the water chute.

3. The electrical control box according to claim 1, wherein: and a water retaining wall is arranged on the side wall of the water chute far away from the mounting surface, and the horizontal height of the water retaining wall is higher than that of the mounting surface.

4. The electrical control box according to claim 1, wherein: the box body is a metal piece, the box cover is a PCB, and the PCB is provided with a shielding net.

5. The electrical control box according to claim 4, wherein: and the upper end face of the PCB is provided with an antenna mounting position.

6. The electrical control box according to claim 4, wherein: be provided with the mounting groove in the box body, the opening part of mounting groove is provided with the installation position that corresponds with the PCBA board.

7. The electrical control box according to claim 6, wherein: the bottom of the mounting groove is provided with a heat conducting member for contacting elements of the PCBA board.

8. The electrical control box according to claim 1, wherein: the box body is provided with a radiating fin.

9. The electrical control box according to claim 1, wherein: the box body is provided with a threading hole, and a sealing sleeve is arranged at the threading hole.

10. The electrical control box according to claim 9, wherein: the seal cover is of a hollow structure and is provided with at least one pressure relief hole.

11. The electrical control box according to claim 1, wherein: the edge of the box cover protrudes to the upper part of the water chute.

12. An electrical appliance, comprising: an electrical control box according to any one of claims 1 to 11.